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Oracle Rac Performance Tuning

Author : Brian Peasland
Publisher : Rampant Techpress
ISBN 13 : 9780986119415
Total Pages : 446 pages
Book Rating : 4.1/5 (194 download)

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Book Synopsis Oracle Rac Performance Tuning by : Brian Peasland

Download or read book Oracle Rac Performance Tuning written by Brian Peasland and published by Rampant Techpress. This book was released on 2015-01-25 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the first of its kind, a book dedicated to tuning the Oracle high availability RAC architecture. Oracle RAC databases are flexible and robust, and along with this flexibility comes complexity, making RAC tuning one of the most challenging areas of Oracle tuning. Packed with incisive insights and examples from one of America's leading RAC experts, guru Brian Peasland delivers an indispensible book for all RAC administrators who need to guarantee that their RAC systems run at optimal performance. It's not enough for the DBA to maintain and control RAC database, the RAC DBA must also have an arsenal of tools and scripts that will help them ensure that their RAC database run at optimal levels. This book will be valuable to all Oracle professionals who must tune their Oracle RAC systems for peak performance. Similar to tuning Oracle database systems in general, Oracle RAC performance tuning covers a wide variety of focus areas. Topics will include Oracle wait events specific to RAC deployments, using Oracle Enterprise Manager Grid Control and AWR in diagnosing RAC problems, and RAC utilities such as OS Watcher and ORAchk (formerly RACcheck). This book will also discuss architecture issues related RAC performance, delving into the cluster interconnect, physical disk layout and Oracle 12c new Flex Clusters. Oracle RAC also allows the workload the spread among several low cost servers (scale-out) rather than a large single server (scale-up), and this book examines these approaches from a tuning perspective. Many companies are working towards private cloud implementations using RAC, and this book is perfect for the DBA's charged with . Oracle 12c RAC raises the bar with its new multi-tenant database implementation. Think of multi-tenant as virtualization at the database level. As more companies start leveraging Oracle 12c RAC for their enterprise database architecture, it is important that the system be designed and tuned properly to ensure the application has a well-performing user experience. This unique book provides a one-stop location for any RAC DBA who must become a RAC performance tuning specialist. Most Oracle RAC books on the market devote only one chapter to performance tuning. The information in this book provides a solid foundation for one's first RAC deployment, and provide you with the tools and methods needed to keep your complex RAC systems running optimally. While this book is not for beginners, the reader is given sufficient background throughout the chapters so that most Oracle DBAs, even those will little Oracle RAC experience, will be able to understand its contents. Oracle RAC is inherently complex. This explains the concepts before delving into highly technical areas. Many in-depth areas of RAC tuning are explored that help the DBA reveal hidden performance trends within even the most complex RAC database.

Expert Oracle RAC Performance Diagnostics and Tuning

Author : Murali Vallath
Publisher : Apress
ISBN 13 : 1430267100
Total Pages : 690 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Expert Oracle RAC Performance Diagnostics and Tuning by : Murali Vallath

Download or read book Expert Oracle RAC Performance Diagnostics and Tuning written by Murali Vallath and published by Apress. This book was released on 2014-10-13 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expert Oracle RAC Performance Diagnostics and Tuning provides comprehensive coverage of the features, technology and principles for testing and tuning RAC databases. The book takes a deep look at optimizing RAC databases by following a methodical approach based on scientific analysis rather than using a speculative approach, twisting and turning knobs and gambling on the system. The book starts with the basic concepts of tuning methodology, capacity planning, and architecture. Author Murali Vallath then dissects the various tiers of the testing implementation, including the operating system, the network, the application, the storage, the instance, the database, and the grid infrastructure. He also introduces tools for performance optimization and thoroughly covers each aspect of the tuning process, using many real-world examples, analyses, and solutions from the field that provide you with a solid, practical, and replicable approach to tuning a RAC environment. The book concludes with troubleshooting guidance and quick reference of all the scripts used in the book. Expert Oracle RAC Performance Diagnostics and Tuning covers scenarios and details never discussed before in any other performance tuning books. If you have a RAC database, this book is a requirement. Get your copy today. Takes you through optimizing the various tiers of the RAC environment. Provides real life case studies, analysis and solutions from the field. Maps a methodical approach to testing, tuning and diagnosing the cluster

Oracle Database 12c Performance Tuning Recipes

Author : Sam Alapati
Publisher : Apress
ISBN 13 : 1430261889
Total Pages : 621 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Oracle Database 12c Performance Tuning Recipes by : Sam Alapati

Download or read book Oracle Database 12c Performance Tuning Recipes written by Sam Alapati and published by Apress. This book was released on 2014-01-21 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: Performance problems are rarely "problems" per se. They are more often "crises" during which you’re pressured for results by a manager standing outside your cubicle while your phone rings with queries from the help desk. You won’t have the time for a leisurely perusal of the manuals, nor to lean back and read a book on theory. What you need in that situation is a book of solutions, and solutions are precisely what Oracle Database 12c Performance Tuning Recipes delivers. Oracle Database 12c Performance Tuning Recipes is a ready reference for database administrators in need of immediate help with performance issues relating to Oracle Database. The book takes an example-based approach, wherein each chapter covers a specific problem domain. Within each chapter are "recipes," showing by example how to perform common tasks in that chapter’s domain. Solutions in the recipes are backed by clear explanations of background and theory from the author team. Whatever the task, if it’s performance-related, you’ll probably find a recipe and a solution in this book. Provides proven solutions to real-life Oracle performance problems Offers relevant background and theory to support each solution Gets straight to the point for when you're under pressure for results

Oracle Performance Survival Guide: A Systematic Approach To Database Optimization

Author : Harrison Guy
Publisher : Pearson Education India
ISBN 13 : 9788131734766
Total Pages : 762 pages
Book Rating : 4.7/5 (347 download)

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Book Synopsis Oracle Performance Survival Guide: A Systematic Approach To Database Optimization by : Harrison Guy

Download or read book Oracle Performance Survival Guide: A Systematic Approach To Database Optimization written by Harrison Guy and published by Pearson Education India. This book was released on 2010-09 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt:

RAC Performance Tuning Vol 1

Author : Ammulya Tokala
Publisher :
ISBN 13 : 9781539007647
Total Pages : 132 pages
Book Rating : 4.0/5 (76 download)

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Book Synopsis RAC Performance Tuning Vol 1 by : Ammulya Tokala

Download or read book RAC Performance Tuning Vol 1 written by Ammulya Tokala and published by . This book was released on 2016-09-22 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: A DBA or the application developer is to provide efficient, well-performing applications with good response time.In order for the application to provide a good response, the system, database, and SQL queries should be welltuned. Systems are tuned based on data collected during periods of poor performance; the evidence and the datacollected may provide an indication of where the actual problem resides.

Oracle Tuning

Author : Alexey B. Danchenkov
Publisher : Rampant Techpress
ISBN 13 : 0974448621
Total Pages : 960 pages
Book Rating : 4.9/5 (744 download)

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Book Synopsis Oracle Tuning by : Alexey B. Danchenkov

Download or read book Oracle Tuning written by Alexey B. Danchenkov and published by Rampant Techpress. This book was released on 2006-02-01 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oracle 10g has become the most complex database ever created and Oracle tuning has become increasingly complex. This book provides a complete step-by-step approach for holistic Oracle tuning and it is the accumulated knowledge from tuning thousands of Oracle databases. Incorporating the principles of artificial intelligence, Oracle10g has developed a sophisticated mechanism for capturing and tracking database performance over time periods. This new complexity has introduced dozens of new v$ and DBA views, plus dozens of Automatic Workload Repository (AWR) tables. The AWR and its interaction with the Automatic Database Diagnostic Monitor (ADDM) is a revolution in database tuning. By understanding the internal workings of the AWR tables, the senior DBA can develop time-series tuning models to predict upcoming outages and dynamically change the instance to accommodate the impending resource changes. This is not a book for beginners. Targeted at the senior Oracle DBA, this book dives deep into the internals of the v$ views, the AWR table structures and the new DBA history views. Packed with ready-to-run scripts, you can quickly monitor and identify the most challenging performance issues.

Oracle Performance Survival Guide

Author : Guy Harrison
Publisher : Pearson Education
ISBN 13 : 0137000502
Total Pages : 934 pages
Book Rating : 4.1/5 (37 download)

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Book Synopsis Oracle Performance Survival Guide by : Guy Harrison

Download or read book Oracle Performance Survival Guide written by Guy Harrison and published by Pearson Education. This book was released on 2009-10-09 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oracle Performance Survival Guide A Systematic Approach to Database Optimization The fast, complete, start-to-finish guide to optimizing Oracle performance Oracle Performance Survival Guide offers a structured, systematic, start-to-finish methodology for optimizing Oracle performance as efficiently as possible. Leading Oracle expert Guy Harrison shows how to maximize your tuning investment by focusing on causes rather than symptoms, and by quickly identifying the areas that deliver the greatest “bang for the buck.” Writing for DBAs and developers with all levels of experience, Harrison covers every area of Oracle performance management, from application design through SQL tuning, contention management through memory and physical IO management. He also presents up-to-the-minute guidance for optimizing the performance of the Oracle 11g Release 2. You’ll start by mastering Oracle structured performance tuning principles and tools, including techniques for tracing and monitoring Oracle execution. Harrison illuminates the interaction between applications and databases, guides you through choosing tuning tools, and introduces upfront design techniques that lead to higher-performance applications. He also presents a collection of downloadable scripts for reporting on all aspects of database performance. Coverage includes • “Tuning by layers,” the most effective, highest-value approach to Oracle performance optimization • Making the most of Oracle’s core tools for tracing, monitoring, and diagnosing performance • Highly efficient database logical and physical design, indexing, transaction design, and API use • SQL and PL/SQL tuning, including the use of parallel SQL techniques • Minimizing contention for locks, latches, shared memory, and other database resources • Optimizing memory and physical disk IO • Tuning Real Application Cluster (RAC) databases guyharrison.net informit.com/ph

Database Performance Tuning and Optimization

Author : Sitansu S. Mittra
Publisher : Springer Science & Business Media
ISBN 13 : 0387218084
Total Pages : 495 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Database Performance Tuning and Optimization by : Sitansu S. Mittra

Download or read book Database Performance Tuning and Optimization written by Sitansu S. Mittra and published by Springer Science & Business Media. This book was released on 2006-04-18 with total page 495 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents an ideal mix of theory and practice, which allows the reader to understand the principle behind the application.; Coverage of performance tuning of datawarehouses offers readers the principles and tools they need to handle large reporting databases.; Material can also be used in a non-Oracle environment; Highly experienced author.

Oracle High Performance Tuning for 9i and 10g

Author : Gavin JT Powell
Publisher : Elsevier
ISBN 13 : 0080513298
Total Pages : 774 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Oracle High Performance Tuning for 9i and 10g by : Gavin JT Powell

Download or read book Oracle High Performance Tuning for 9i and 10g written by Gavin JT Powell and published by Elsevier. This book was released on 2003-12-29 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are three parts to tuning an Oracle database: data modeling, SQL code tuning and physical database configuration. A data model contains tables and relationships between tables. Tuning a data model involves normalization and de-normalization. Different approaches are required depending on the application, such as OLTP or a Data Warehouse. Inappropriate database design can make SQL code impossible to tune. Poor data modeling can have a most profound effect on database performance since all SQL code is constructed from the data model. Poorly written SQL code is often a culprit of performance problems and is expensive to rectify. However, tuning of SQL code is generally cheaper than changing the data model. SQL code tends to be contained inside independent blocks within applications or stored procedures. Physical database tuning involves hardware resource usage, networking and various other Oracle things such as configuration and file distribution. Physical configuration is often a culprit of poor performance where Oracle is installed with defaults, and never altered by an expert. *Includes all three aspects of Oracle database tuning: data model tuning, SQL & PL/SQL code tuning, physical plus configuration tuning *Contains experienced guidance and real-world examples using large datasets *Emphasizes development as opposed to operating system perspective

Oracle Performance Tuning for 10gR2

Author : Gavin JT Powell
Publisher : Elsevier
ISBN 13 : 0080492029
Total Pages : 955 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Oracle Performance Tuning for 10gR2 by : Gavin JT Powell

Download or read book Oracle Performance Tuning for 10gR2 written by Gavin JT Powell and published by Elsevier. This book was released on 2011-04-08 with total page 955 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tuning of SQL code is generally cheaper than changing the data model. Physical and configuration tuning involves a search for bottlenecks that often points to SQL code or data model issues. Building an appropriate data model and writing properly performing SQL code can give 100%+ performance improvement. Physical and configuration tuning often gives at most a 25% performance increase. Gavin Powell shows that the central theme of Oracle10gR2 Performance Tuning is four-fold: denormalize data models to fit applications; tune SQL code according to both the data model and the application in relation to scalability; create a well-proportioned physical architecture at the time of initial Oracle installation; and most important, mix skill sets to obtain the best results. Fully updated for version 10gR2 and provides all necessary transition material from version 9i Includes all three aspects of Oracle database tuning: data model tuning, SQL & PL/SQL code tuning, physical plus configuration tuning Contains experienced guidance and real-world examples using large datasets Emphasizes development as opposed to operating system perspective

Oracle Performance Tuning

Author : Mark Gurry
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1565922379
Total Pages : 967 pages
Book Rating : 4.5/5 (659 download)

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Book Synopsis Oracle Performance Tuning by : Mark Gurry

Download or read book Oracle Performance Tuning written by Mark Gurry and published by "O'Reilly Media, Inc.". This book was released on 1996-11 with total page 967 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete revision of the original title, this second edition adds new material on Oracle 7.3 and many Oracle 8 features. It explores new Oracle capabilities like parallel server, parallel query, and distributed database. It contains more detail on constraints and triggers, many more examples, and information on new tuning tools like the Oracle Performance Pack, Oracle Trace, and Oracle Expert.

Optimizing Oracle Performance

Author : Cary Millsap
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449366783
Total Pages : 419 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Optimizing Oracle Performance by : Cary Millsap

Download or read book Optimizing Oracle Performance written by Cary Millsap and published by "O'Reilly Media, Inc.". This book was released on 2003-09-16 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oracle system performance inefficiencies often go undetected for months or even years--even under intense scrutiny--because traditional Oracle performance analysis methods and tools are fundamentally flawed. They're unreliable and inefficient.Oracle DBAs and developers are all too familiar with the outlay of time and resources, blown budgets, missed deadlines, and marginally effective performance fiddling that is commonplace with traditional methods of Oracle performance tuning. In this crucial book, Cary Millsap, former VP of Oracle's System Performance Group, clearly and concisely explains how to use Oracle's response time statistics to diagnose and repair performance problems. Cary also shows how "queueing theory" can be applied to response time statistics to predict the impact of upgrades and other system changes.Optimizing Oracle Performance eliminates the time-consuming, trial-and-error guesswork inherent in most conventional approaches to tuning. You can determine exactly where a system's performance problem is, and with equal importance, where it is not, in just a few minutes--even if the problem is several years old.Optimizing Oracle Performance cuts a path through the complexity of current tuning methods, and streamlines an approach that focuses on optimization techniques that any DBA can use quickly and successfully to make noticeable--even dramatic--improvements.For example, the one thing database users care most about is response time. Naturally, DBAs focus much of their time and effort towards improving response time. But it is entirely too easy to spend hundreds of hours to improve important system metrics such as hit ratios, average latencies, and wait times, only to find users are unable to perceive the difference. And an expensive hardware upgrade may not help either.It doesn't have to be that way. Technological advances have added impact, efficiency, measurability, predictive capacity, reliability, speed, and practicality to the science of Oracle performance optimization. Optimizing Oracle Performance shows you how to slash the frustration and expense associated with unraveling the true root cause of any type of performance problem, and reliably predict future performance.The price of this essential book will be paid back in hours saved the first time its methods are used.

Expert Oracle RAC 12c

Author : Riyaj Shamsudeen
Publisher : Apress
ISBN 13 : 1430250445
Total Pages : 454 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Expert Oracle RAC 12c by : Riyaj Shamsudeen

Download or read book Expert Oracle RAC 12c written by Riyaj Shamsudeen and published by Apress. This book was released on 2013-08-13 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expert Oracle RAC 12c is a hands-on book helping you understand and implement Oracle Real Application Clusters (RAC), and to reduce the total-cost-of-ownership (TCO) of a RAC database. As a seasoned professional, you are probably aware of the importance of understanding the technical details behind the RAC stack. This book provides deep understanding of RAC concepts and implementation details that you can apply toward your day-to-day operational practices. You’ll be guided in troubleshooting and avoiding trouble in your installation. Successful RAC operation hinges upon a fast-performing network interconnect, and this book dedicates a chapter solely to that very important and easily overlooked topic. All four authors are experienced RAC engineers with a wealth of hard-won experience encountering and surmounting the challenges of running a RAC environment that delivers on its promise. In Expert Oracle RAC 12c they provide you a framework in which to avoid repeating their hard-won lessons. Their goal is for you to manage your own RAC environment with ease and expertise. Provides a deep conceptual understanding of RAC Provides best practices to implement RAC properly and match application workload Enables readers to troubleshoot RAC with ease What you’ll learn Know when to apply RAC, and when not to Design applications to take advantage of RAC Troubleshoot and solve clusterware problems Manage database backup and recovery in RAC Stay on top of locking issues and deadlock detection Harness the performance from parallel processing in RAC Support your RAC environment with a healthy network interconnect Who this book is for Expert Oracle RAC 12c is for experienced Oracle Database Administrators (DBAs) who are ready to take the next step in their career by expanding their skill set to include building and managing Oracle Real Application Clusters (RAC). DBAs and architects who are in the process of implementing RAC can immensely benefit from this book. It’s an excellent choice for DBAs to learn RAC conceptually, understand best practices, and become experts in troubleshooting RAC problems. Table of ContentsOverview of Oracle RAC Clusterware Management and Troubleshooting RAC Operational Practices RAC New Features Storage and ASM Practices Application Design Issues Managing and Optimizing a Complex RAC Environment Backup and Recovery in RAC Network Practices in RAC RAC Database Optimization Locks and Deadlocks Parallel Query in RAC Clusterware and Database Upgrades Oracle RAC One Node

Oracle Database 11g Performance Tuning Recipes

Author : Sam Alapati
Publisher : Apress
ISBN 13 : 1430236639
Total Pages : 584 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Oracle Database 11g Performance Tuning Recipes by : Sam Alapati

Download or read book Oracle Database 11g Performance Tuning Recipes written by Sam Alapati and published by Apress. This book was released on 2011-10-18 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Performance problems are rarely "problems" per se. They are more often "crises" during which you’re pressured for results by a manager standing outside your cubicle while your phone rings with queries from the help desk. You won’t have the time for a leisurely perusal of the manuals, nor to lean back and read a book on theory. What you need in that situation is a book of solutions, and solutions are precisely what Oracle Database 11g Performance Tuning Recipes delivers. Oracle Database 11g Performance Tuning Recipes is a ready reference for database administrators in need of immediate help with performance issues relating to Oracle Database. The book takes an example-based approach, wherein each chapter covers a specific problem domain. Within each chapter are "recipes," showing by example how to perform common tasks in that chapter’s domain. Solutions in the recipes are backed by clear explanations of background and theory from the author team. Whatever the task, if it’s performance-related, you’ll probably find a recipe and a solution in this book. Provides proven solutions to real-life Oracle performance problems Offers relevant background and theory to support each solution Written by a team of experienced database administrators successful in their careers

Oracle Database 12c Release 2 Performance Tuning Tips & Techniques

Author : Richard Niemiec
Publisher : McGraw Hill Professional
ISBN 13 : 1259589692
Total Pages : 848 pages
Book Rating : 4.2/5 (595 download)

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Book Synopsis Oracle Database 12c Release 2 Performance Tuning Tips & Techniques by : Richard Niemiec

Download or read book Oracle Database 12c Release 2 Performance Tuning Tips & Techniques written by Richard Niemiec and published by McGraw Hill Professional. This book was released on 2017-03-22 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proven Database Optimization Solutions―Fully Updated for Oracle Database 12c Release 2 Systematically identify and eliminate database performance problems with help from Oracle Certified Master Richard Niemiec. Filled with real-world case studies and best practices, Oracle Database 12c Release 2 Performance Tuning Tips and Techniques details the latest monitoring, troubleshooting, and optimization methods. Find out how to identify and fix bottlenecks on premises and in the cloud, configure storage devices, execute effective queries, and develop bug-free SQL and PL/SQL code. Testing, reporting, and security enhancements are also covered in this Oracle Press guide. • Properly index and partition Oracle Database 12c Release 2 • Work effectively with Oracle Cloud, Oracle Exadata, and Oracle Enterprise Manager • Efficiently manage disk drives, ASM, RAID arrays, and memory • Tune queries with Oracle SQL hints and the Trace utility • Troubleshoot databases using V$ views and X$ tables • Create your first cloud database service and prepare for hybrid cloud • Generate reports using Oracle’s Statspack and Automatic Workload Repository tools • Use sar, vmstat, and iostat to monitor operating system statistics

High-Performance Oracle

Author : Geoff Ingram
Publisher : John Wiley & Sons
ISBN 13 : 047143034X
Total Pages : 720 pages
Book Rating : 4.4/5 (714 download)

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Book Synopsis High-Performance Oracle by : Geoff Ingram

Download or read book High-Performance Oracle written by Geoff Ingram and published by John Wiley & Sons. This book was released on 2002-10-15 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Geoff Ingram has met the challenge of presenting the complex process of managing Oracle performance. This book can support every technical person looking to resolve Oracle8i and Oracle9i performance issues." -Aki Ratner, President, Precise Software Solutions Ensuring high-performance and continuous availability of Oracle software is a key focus of database managers. At least a dozen books address the subject of "performance tuning"-- that is, how to fine-tune the Oracle database for its greatest processing efficiency. Geoff Ingram argues that this approach simply isn't enough. He believes that performance needs to be addressed right from the design stage, and it needs to cover the entire system--not just the database. High-Performance Oracle is a hands-on book, loaded with tips and techniques for ensuring that the entire Oracle database system runs efficiently and doesn't break down. Written for Oracle developers and DBAs, and covering both Oracle8i and Oracle9i, the book goes beyond traditional performance-tuning books and covers the key techniques for ensuring 24/7 performance and availability of the complete Oracle system. The book provides practical solutions for: * Choosing physical layout for ease of administration and efficient use of space * Managing indexes, including detecting unused indexes and automating rebuilds * SQL and system tuning using the powerful new features in Oracle9i Release 2 * Improving SQL performance without modifying code * Running Oracle Real Application Clusters (RAC) for performance and availability * Protecting data using Recover Manager (RMAN), and physical and logical standby databases The companion Web site provides the complete source code for examples in the book, updates on techniques, and additional documentation for optimizing your Oracle system.

Optimizing Oracle Performance

Author : Cary Millsap
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 059600527X
Total Pages : 419 pages
Book Rating : 4.5/5 (96 download)

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Book Synopsis Optimizing Oracle Performance by : Cary Millsap

Download or read book Optimizing Oracle Performance written by Cary Millsap and published by "O'Reilly Media, Inc.". This book was released on 2003-09-16 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oracle system performance inefficiencies often go undetected for months or even years--even under intense scrutiny--because traditional Oracle performance analysis methods and tools are fundamentally flawed. They're unreliable and inefficient. Oracle DBAs and developers are all too familiar with the outlay of time and resources, blown budgets, missed deadlines, and marginally effective performance fiddling that is commonplace with traditional methods of Oracle performance tuning. In this crucial book, Cary Millsap, former VP of Oracle's System Performance Group, clearly and concisely explains how to use Oracle's response time statistics to diagnose and repair performance problems. Cary also shows how "queueing theory" can be applied to response time statistics to predict the impact of upgrades and other system changes. Optimizing Oracle Performance eliminates the time-consuming, trial-and-error guesswork inherent in most conventional approaches to tuning. You can determine exactly where a system's performance problem is, and with equal importance, where it is not, in just a few minutes--even if the problem is several years old. Optimizing Oracle Performance cuts a path through the complexity of current tuning methods, and streamlines an approach that focuses on optimization techniques that any DBA can use quickly and successfully to make noticeable--even dramatic--improvements. For example, the one thing database users care most about is response time. Naturally, DBAs focus much of their time and effort towards improving response time. But it is entirely too easy to spend hundreds of hours to improve important system metrics such as hit ratios, average latencies, and wait times, only to find users are unable to perceive the difference. And an expensive hardware upgrade may not help either. It doesn't have to be that way. Technological advances have added impact, efficiency, measurability, predictive capacity, reliability, speed, and practicality to the science of Oracle performance optimization. Optimizing Oracle Performance shows you how to slash the frustration and expense associated with unraveling the true root cause of any type of performance problem, and reliably predict future performance. The price of this essential book will be paid back in hours saved the first time its methods are used.